{"id":39421,"date":"2024-11-26T09:29:27","date_gmt":"2024-11-26T01:29:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39421\/"},"modified":"2024-11-26T09:29:27","modified_gmt":"2024-11-26T01:29:27","slug":"java%e6%80%8e%e4%b9%88%e5%88%a0%e9%99%a4%e6%95%b0%e7%bb%84%e4%b8%ad%e7%9a%840","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39421\/","title":{"rendered":"java\u600e\u4e48\u5220\u9664\u6570\u7ec4\u4e2d\u76840"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u5220\u9664\u6570\u7ec4\u4e2d\u6240\u6709 0 \u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a1. \u4f7f\u7528 array.fill() \u65b9\u6cd5\u5c06\u6240\u6709 0 \u66ff\u6362\u4e3a\u5176\u4ed6\u503c\uff1b2. \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u904d\u5386\u539f\u6570\u7ec4\u5e76\u5c06\u975e 0 \u5143\u7d20\u6dfb\u52a0\u5230\u65b0\u6570\u7ec4\u4e2d\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111610181850277.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5220\u9664\u6570\u7ec4\u4e2d\u76840\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5220\u9664\u6570\u7ec4\u4e2d\u76840\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u5220\u9664\u6570\u7ec4\u4e2d\u7684 0<\/strong><\/p>\n<p><strong>\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u5220\u9664\u6570\u7ec4\u4e2d\u6240\u6709 0 \u7684\u6700\u76f4\u63a5\u65b9\u6cd5\u662f\u5229\u7528 <strong>Array.fill()<\/strong> \u65b9\u6cd5\u3002<\/p>\n<p><strong>\u4ee3\u7801\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arr = {1, 2, 0, 3, 0, 4, 0};\nArrays.fill(arr, 0, arr.length, -1);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u5c06\u6570\u7ec4\u4e2d\u6240\u6709 0 \u66ff\u6362\u4e3a -1\u3002<\/p>\n<p><strong>\u66ff\u4ee3\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u53e6\u4e00\u4e2a\u9009\u9879\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u4e0d\u5305\u542b\u4efb\u4f55 0\u3002<\/p>\n<p><strong>\u4ee3\u7801\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arr = {1, 2, 0, 3, 0, 4, 0};\nint[] newArr = new int[arr.length - countOccurrences(arr, 0)];\nint index = 0;\nfor (int i = 0; i &lt; arr.length; i++) {\n    if (arr[i] != 0) {\n        newArr[index++] = arr[i];\n    }\n}\n\n\/\/ \u8f85\u52a9\u65b9\u6cd5\uff0c\u8ba1\u7b97\u6570\u7ec4\u4e2d\u67d0\u4e2a\u5143\u7d20\u51fa\u73b0\u7684\u6b21\u6570\nint countOccurrences(int[] arr, int target) {\n    int count = 0;\n    for (int i : arr) {\n        if (i == target) {\n            count++;\n        }\n    }\n    return count;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5220\u9664\u6570\u7ec4\u4e2d\u76840\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u4e2d\u5220\u9664\u6570\u7ec4\u4e2d\u6240\u6709 0 \u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a1. \u4f7f\u7528 array.fill() \u65b9\u6cd5\u5c06\u6240\u6709 0 \u66ff\u6362\u4e3a\u5176\u4ed6\u503c\uff1b2. \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u904d\u5386\u539f\u6570\u7ec4\u5e76\u5c06\u975e 0 \u5143\u7d20\u6dfb\u52a0\u5230\u65b0\u6570\u7ec4\u4e2d\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5220\u9664\u6570\u7ec4\u4e2d\u7684 0 \u65b9\u6cd5\uff1a \u5220\u9664\u6570\u7ec4\u4e2d\u6240\u6709 0 \u7684\u6700\u76f4\u63a5\u65b9\u6cd5\u662f\u5229\u7528 Array.fill() \u65b9\u6cd5\u3002 \u4ee3\u7801\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {1, 2, 0, 3, 0, 4, 0}; Arrays.fill(arr, 0, arr.length, -1); \u767b\u5f55\u540e\u590d\u5236 \u4ee5\u4e0a\u4ee3\u7801\u5c06\u6570\u7ec4\u4e2d\u6240\u6709 0 \u66ff\u6362\u4e3a -1\u3002 \u66ff\u4ee3\u65b9\u6cd5\uff1a \u53e6\u4e00\u4e2a\u9009\u9879\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u4e0d\u5305\u542b\u4efb\u4f55 0\u3002 \u4ee3\u7801\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {1, 2, 0, 3, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-39421","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=39421"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39421\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}